baber/WOPTO huggingface dataset:
Patent KR-20160093091-A (KR)
Inventor: YAMAGUCHI KOSHIRO
IPC: B41J2/32
Filed: 2009-12-22
Abstract: Disclosed is a tape cassette (30) and a tape printer (1), the tape cassette (30) comprising a housing (31) having a top surface (30A), a bottom surface (30B), a front surface (35) and a pair of side surfaces (30C); a tape (55, 57, 59) that is a print medium mounted in the housing (31); a tape exit (34A) that discharges, from the housing (31), the tape (55, 57, 59) guided in the housing (31) along a predetermined feed path; and a type indicator portion (800) provided adjacent to the tape exit (34A) and in a specified area (R2) of the front surface (35) on an upstream side of the tape exit (34A) in a feed direction of the tape (55, 57, 59), the type indicator portion (800) indicating a type of the tape (55, 57, 59) and including a plurality of vertical information sections (X1 to X5), and an indentation portion (801) being formed on at least one of the plurality of vertical information sections (X1 to X5); and a latching indentation portion (820) provided in another area (Rl) of the front surface (35), the another area being an area that is different to the specified area (R2), wherein the indentation portion (801) and the latching indentation portion (820) are arranged continuously.
Patent KR-20160105865-A (KR)
Title: 초음파 검사 장치 및 초음파 검사 방법
Inventor: OONO SHIGERU
IPC: G01N29/28
Filed: 2015-01-30
Abstract: 어레이형 프로브를 구비하는 초음파 검사 장치에 적용하여, 워크의 물에 젖음을 거의 검사면에 한정한다.  초음파 검사 장치(100)는 검사면을 아래로 향하게 하여 워크(106)를 보유 지지하는 워크 홀더(105)와, 워크(106)를 초음파로 탐촉하는 어레이형 프로브(107)와, 물에 어레이형 프로브(107)를 침지하는 수조(109)와, 워크(106)의 검사면의 하방에 어레이형 프로브(107)를 서로 마주보도록 보유 지지하는 아암(116)과, 수조(109)에 축적한 물의 표면 장력에 의해 워크(106)의 검사면에 액면이 접촉한 상태에서, 워크(106)를 수평으로 주사하는 X축 방향 주사 수단(104A, 104B)과, 어레이형 프로브(107)를 수평으로 주사하는 Y축 방향 주사 수단(101)을 구비한다.
Patent KR-20160108546-A (KR)
Title: 메타크릴산에스테르의 제조 방법 및 신규 메타크릴산에스테르 합성 효소
Inventor: ASANO YASUHISA
IPC: C12P7/62
Filed: 2015-03-05
Abstract: 본 발명은 생체 촉매에 의한 메타크릴산에스테르의 제조 방법으로서, 목서속(Osmanthus)에 속하는 식물, 포도속(Vitis)에 속하는 식물, 귤속(Citrus)에 속하는 식물, 두리안속(Durio)에 속하는 식물, 목련속(Magnolia)에 속하는 식물 및 캐모마일속(Chamaemelum)에 속하는 식물로 이루어지는 군에서 선택되는 식물 유래의 알코올 아실트랜스퍼라제의 존재하, 메타크릴릴-CoA에 알코올 또는 페놀류를 작용시켜, 메타크릴산에스테르를 합성하는 공정을 포함하는 메타크릴산에스테르의 제조 방법을 제공한다.
Patent KR-20160122231-A (KR)
Title: 음악 심볼들을 인식하기 위한 방법 및 장치
Inventor: VALENTE FABIO
IPC: G10G1/04
Filed: 2015-01-26
Abstract: 손으로 기입된 음악 주석(annotation)들로부터 음악 심볼들을 인식하는 음악 심볼 인식 장치들 및 방법들이 개시된다. 다양한 구현예들은: - 손으로 기입된 음악 표기들을 검출하는 단계(S2); - 손으로 기입된 음악 표기들을 기본 잉크 세그먼트들로 분할하는 단계(S6); - 기본 잉크 세그먼트들을 그래픽적 객체들로 그룹화하는 단계(S8); - 각각의 그래픽적 객체에 대하여 하나의 음악 심볼 후보 및 심볼 비용을 결정하는 단계(S10); - 및 음악 심볼 후보들을 파싱하는 단계(S12)를 포함할 수 있으며, 여기에서 파싱하는 단계는: o 음악 심볼 후보들에 문법 규칙들을 적용함으로써 그래프들을 형성하는 단계로서, 각각의 그래프는 적어도 하나의 자손 노드에 적용된 문법 규칙에 대응하는 비-종점 노드를 포함하는, 단계(S14); o 각각의 적용된 문법 규칙을 적용된 문법 규칙의 적절성을 나타내는 공간적인 비용과 연관시키는 단계(S16); 및 o 심볼 비용들 및 공간적인 비용들에 기초하여 손으로 기입된 음악 표기들의 가장 대표적인 그래프로서 그래프를 선택하는 단계(S18)를 포함할 수 있다.
Patent KR-20160145048-A (KR)
Inventor: ARAKAWA SHINGO
IPC: B67D1/12
Filed: 2014-04-18
Abstract: 워터 서버의 케이스의 아래에 서버 트레이를 마련하였을 때에, 케이스가 서버 트레이의 위에서 미끄러져 전도하는 것을 방지한다. 케이스(3)의 바닥판(8)의 하면에, 하방으로 개구하는 복수의 기둥형 오목부(34)를 형성하도록 서로 교차하는 복수의 리브(35)를 마련하며, 서버 트레이(4)의 서버 배치면(4a)에, 적어도 하나의 기둥형 오목부(34)에 끼워지는 기둥형 볼록부(36)를 마련하고, 그 기둥형 볼록부(36)와 기둥형 오목부(34)의 끼워 맞춤에 의해 케이스(3)와 서버 트레이(4)를 수평으로 상대 이동하지 않도록 연결한다.
Patent KR-20160128470-A (KR)
Inventor: LAURENT THIBAULT
IPC: G03F7/20
Filed: 2013-05-07
Abstract: 대상물을 지지하기 위한 대상물 테이블에 관한 것이며, 상기 대상물 테이블은 지지 몸체, 대상물을 유지하기 위한 대상물 홀더, 상기 대상물 홀더의 에지에 인접한 개구부, 및 통로를 통해 상기 개구부와 유체 연통하는 채널을 갖고, 상기 채널은 제 1 재료에 의해 정의되며, 상기 제 1 재료는 상기 통로를 정의하는 제 2 재료와 상이하다.
Patent KR-20160140993-A (KR)
Title: 코드 영역들의 연속적 자동 튜닝을 위한 방법, 장치, 시스템
Inventor: SASANKA RUCHIRA
IPC: G06F11/30
Filed: 2013-06-19
Abstract: 코드 영역들을 위한 최적 하드웨어 구성들에 대한 코드 영역들의 연속 자동 튜닝을 위한 메커니즘들이 본 명세서에서 기술된다.  하나의 메커니즘은 튜닝 가능 파라미터들의 상이한 세트들로 코드 영역을 실행하는 동안 메트릭을 계산하고 계산된 메트릭들에 기초하여 상이한 세트들 중 하나를 선택함으로써 경계 정해진 코드 영역을 위한 튜닝 가능 파라미터들을 자동적으로 튜닝한다.
Patent KR-20170052528-A (KR)
Title: 2축 연신 시트 및 포장용 용기
Inventor: YOSHIMURA DAISUKE
IPC: C08J7/054
Filed: 2015-09-08
Abstract: 본 발명은 아크릴로니트릴-스티렌 공중합체를 2축 연신하여 이루어지는 2축 연신 시트이며, 공중합체에 있어서의 아크릴로니트릴 단위의 함유량이 10 내지 40질량%이고, 공중합체의 중량 평균 분자량이 10만 내지 25만, 다분산도가 2.0 내지 2.5이고, 2축 연신 시트의 2축 연신의 면 배율이 4 내지 10배, MD 방향 및 TD 방향의 최대 배향 완화 응력이 각각 0.2 내지 0.6㎫, MD 방향의 최대 배향 완화 응력 (a)와 TD 방향의 최대 배향 완화 응력 (b)의 차의 절댓값(|a-b|)이 0.3㎫ 이하이고, 2축 연신 시트에 있어서의 황 함유량이 0ppm 이상 100ppm 미만, 휘발성 물질의 함유량이 200 내지 2000ppm인, 2축 연신 시트를 제공한다.
Patent KR-20170003671-A (KR)
Title: 시트 삽입 및 추출 툴을 갖는 밸브
Inventor: GLIME WILLIAM H
IPC: F16K1/42
Filed: 2015-05-07
Abstract: 밸브 및 툴 조립체는 밸브 시트, 밸브 시트 리세스, 시트 캐리어, 및 밸브 시트 변위 툴을 포함한다.  밸브 시트 설치 툴, 밸브 시트 교체 키트, 및 밸브 시트 교체 방법 또한 개시한다.  밸브는 예를 들면 다이어프램 밸브일 수 있다.
Patent KR-20180080556-A (KR)
Inventor: KIM YONG SOO
IPC: C23C14/14
Filed: 2017-01-04
Abstract: The present invention relates to a composite having high visible light activities and a preparation method thereof. Specifically, the composite has an effect of improved light absorption properties since titanium dioxide nanorods formed on a base material are reduced through electrolytic reduction method, thereby having a low bandgap; and has an effect of improved durability by introducing a seed layer through RF-magnetron sputtering method during the preparation of the composite, thereby preventing a phenomenon that the titanium dioxide nanorods are damaged or delaminated from the base material while performing the electrolytic reduction method. Further, the composite has an effect of further improved optical activities by depositing a platinum (Pt) thin film on the surface of the reduced titanium dioxide nanorods.
Patent KR-20180080612-A (KR)
Inventor: KIM SANG PIL
IPC: H05K1/11
Filed: 2017-01-04
Abstract: The present invention relates to a flexible circuit board. The circuit board comprises a plurality of substrate parts each including: a first dielectric provided with a signal line in a plane; a second dielectric facing the plane of the first dielectric; a pair of first ground layers stacked on the plane of the first dielectric with the signal line therebetween; a second ground layer formed on a bottom surface of the first dielectric; and a third ground layer stacked on a plane of the second dielectric. According to the present invention, it is possible to provide an efficient laminated structure in which the plurality of substrate parts are connected in the horizontal direction to form one substrate.
Patent KR-20180085532-A (KR)
Inventor: SIM SANG KYUN
IPC: H04N5/225
Filed: 2017-01-19
Abstract: The present invention relates to a camera system for an advanced driving assistance system, and a system and a method for collision prevention, which determine a risk of a collision with surrounding vehicles to detect a target vehicle with a collision risk and control a speed and steering of a user vehicle to avoid a collision with the target vehicle. According to embodiments of the present invention, the system for collision prevention comprises a camera system to generate image data of the front, the back, the left and the right of a user vehicle; a radar system to generate radar data for objects of the front, the back, the left and the right of the user vehicle; and an electronic control unit (ECU) to analyze the image data and the radar image to detect a target vehicle among surrounding vehicles, and control at least one among a speed, braking, and steering of the user vehicle if a collision between the user vehicle and the target vehicle is determined.
Patent KR-20180090420-A (KR)
Inventor: BAEK HWANG SOON
IPC: F25D19/00
Filed: 2017-02-02
Abstract: Disclosed is an invention relating to a heat exchanger for a refrigerator. The disclosed heat exchanger for a refrigerator comprises: a suction pipe for transferring a refrigerant discharged from an evaporator to a compressor; an inflow hot pipe for transferring the refrigerant from a pressure vessel to a front partition wall unit of a refrigerator main body; a discharge hot pipe for transferring the refrigerant from the front partition wall unit to a condenser; and a heat exchanging unit for mutually exchanging heat between the suction pipe and the discharge hot pipe so as to prevent an occurrence of frost in the suction pipe.
Patent KR-20180064952-A (KR)
Inventor: LEE DAE HO
IPC: G16H10/60
Filed: 2017-02-07
Abstract: The present invention discloses a device for predicting health information which calculates a health score for each disease through an open type personal health record platform corresponding to big data, compares and analyzes an environmental group similar to a user and provides an exercise and stress score, medical institution medical service evaluation information and a personal health indicator. The user can expect self-health care and life improvement through the device for predicting health information of the present invention. The device for predicting health information comprises: a health checkup part; a diagnosis part; and a health score calculation part.
Patent KR-20180092593-A (KR)
Title: High-frequency induction heating system for automotive hood panel sealer bonding
Inventor: KIM NAK SOO
IPC: B29C65/04
Filed: 2017-02-10
Abstract: The present invention relates to a high-frequency induction heating system for sealer bonding of a vehicle′s hood which hardens a sealer applied between the outer and inner panels when manufacturing a vehicle hood. The high-frequency induction heating system for sealer bonding of a vehicle hood hardens a sealer applied to a hemming portion of the outer and inner panels of a vehicle hood, and comprises: a heating coil to heat the hemming portion; a high frequency generation unit to supply an alternating current to the heating coil; a transport unit to move the heating coil; a temperature sensor to measure the temperature of the hemming portion; a distance measurement sensor to measure the distance between the hemming portion and the heating coil; and a control unit to control the degree of movement of the transport unit in accordance with the distance measured by the distance measurement sensor, and control the output of the alternating current supplied by the high frequency generation unit in accordance with the temperature measured by the temperature sensor.
Patent KR-20180093620-A (KR)
Title: Disposable cup holder and manufacturing method
Inventor: KANG BYUNG JU
IPC: B65D5/42
Filed: 2017-02-14
Abstract: A disposable cup holder of the present invention improves heat insulating property by forming the inner surface of the cup holder with a heat insulating material made of a polyethylene foamed resin. In addition, the present invention does not have dust, foreign matter, or smell generated in conventional corrugated cardboard, and thus, it is possible to produce a product which is very hygienically excellent. In addition, the present invention has excellent printing properties by forming a printing material of a paper material on the outside of a holder main body.
Patent KR-20180093749-A (KR)
Title: Energy production system using waste gas generated from waste plastic emulsification process and method thereof
Inventor: KWAK JAI KYOUNG
IPC: B29B17/04
Filed: 2017-02-21
Abstract: Disclosed is an energy production system using waste gas generated in a waste plastic emulsification process and a method thereof. The energy production system using waste gas generated in a waste plastic emulsification process according to an embodiment of the present invention includes: a heating unit for heating a raw material containing waste plastic; an emulsification system comprising a condensing unit for condensing the gas generated from the raw material heated by the heating unit to generate a primary oil; and a combustion unit for combusting waste gas which is not condensed in the condensing unit. The system further comprises an energy production system for producing energy through combustion of the waste gas in the combustion unit. According to the present invention, waste resources can be used efficiently.
Patent KR-20180101775-A (KR)
Inventor: LEE KYU CHEL
IPC: F03D3/04
Filed: 2017-03-06
Abstract: The present invention relates to an air volume control type windmill comprising: a wind box formed with a lower plate coupled to the top of a rotational mount, a side plate vertically installed on both sides of the lower plate, and an upper plate obliquely coupled to the side plate to concentrate wind to a rear surface from a front surface; a watermill type rotational blade formed to couple a rotary shaft to both sides of the side plate on the rear surface of the wind box; an inclined plate coupled to both sides of the side plate inside the wind box and coupled by forming an inclination up to the front end part of the lower plate at the height of the rotary shaft; a long hole formed on the inclined plate; a wind door coupled to the long hole by a hinge; and an actuator formed on the bottom of the inclined plate or the side plate to control and operate the wind door. A rotational speed of the rotational blade is controlled by hinged opening/closing of the wind door. Accordingly, provided are advantages of realizing the maximum operation efficiency at a location selected as an installation position of a wind power generation apparatus. Moreover, the wind flowing to the windmill is used for only the rotation of the windmill, thereby providing advantages of increasing a power generation efficiency, and realizing content rotation to increase power generation quality and prevent overload in a generator.
Patent KR-20180102852-A (KR)
Inventor: CHOI YONG BOK
IPC: G02B3/14
Filed: 2017-03-08
Abstract: An embodiment provides a camera module having a liquid lens, comprising: the liquid lens having electrodes; a holder having a through hole and a support unit protruding upwardly so as to surround the through hole and on which the liquid lens is seated; and the stepped surface provided on the support unit of a region where an injection joint is generated, being lower than the upper surface of the support unit. The holder includes: a first lens arrangement unit in which a first lens unit is disposed; a second lens arrangenment unit in which a second lens unit is disposed; and a liquid lens arrangement unit disposed between the first lens arrangement unit and the second lens arrangement unit, wherein the liquid lens is disposed. The through hole has: the first lens arrangement unit; the second lens arrangement unit; and the liquid lens passing through the liquid lens arrangement unit.
Patent KR-20180106341-A (KR)
Inventor: HWANG GI HYUN
IPC: E01C19/05
Filed: 2017-03-20
Abstract: The present invention includes: a body (10); a a pail can input part (20) for inputting a pail can containing solid or semisolid asphalt; a pail can fixing part (30) for fixing the pail can inputted through the pail can input part (20); a dissolution pot (40) for dissolving and melting the asphalt in the pail can; a fixed amount discharge nozzle (50) for moving the molten asphalt; a molten asphalt storage part (60), in which the molten asphalt moved by the fixed amount discharge nozzle (50) is stored; a temperature sensor (70) for sensing the temperature of the molten asphalt inside the molten asphalt storage part (60); a preheater (80) for removing moisture and foreign matters from the molten asphalt; a foreign matter deposition part (90) for depositing the foreign matters removed by the preheater (80); an automatic filler (100) for carrying out the molten asphalt of the molten asphalt storage part (60) to the outside; and a control unit, wherein according to the present invention, asphalt pollutants are removed and pollution is prevented when producing, transporting, and injecting the asphalt, production delay and the rate of change of melting temperature are reduced by shortening the absolute time required for melting the asphalt into the molten asphalt, and the molten asphalt has high fidelity during injection.
Patent KR-20170121056-A (KR)
Inventor: GOYAL RAJAN
IPC: G06F9/50
Filed: 2017-04-06
Abstract: A processor device comprises a plurality of virtual systems on chips (VSoC) composed to utilize resources of a plurality of resources in accordance with a resource alignment between the plurality of VSoCs and the plurality of resources. The processor device can further comprise a resource aligning unit composed to dynamically modify the resource alignment in response to at least one event. Otherwise, dynamically modifying the resource alignment can prevent a throughput loss caused by the at least one event.
Patent KR-20180115942-A (KR)
Inventor: KIM DONG HWAN
IPC: B32B38/10
Filed: 2017-04-14
Abstract: The present invention relates to a tape separation apparatus for a part mounting device, which separates a release paper from a part protection tape constituted by the tape attached to the release paper, wherein the tape separation apparatus comprises: an adsorption part adsorbing an upper surface of the release paper; a wedge-shaped gripping part entering the lower surface of the release paper; and a driving part connected to the adsorption part and the gripping part by a link and transmitting driving force to the adsorption part and the gripping part, and when the driving part is driven and the link moves along a straight line, the adsorption part and the gripping part are rotated to grip the adsorbed release paper between the adsorption part and the gripping part.
Patent KR-20180118385-A (KR)
Inventor: YU SUNG YONG
IPC: E04H9/02
Filed: 2017-04-21
Abstract: Disclosed are a seismic reinforcing PC wall panel of a reinforced concrete frame, a reinforced concrete frame seismic reinforcing structure using a PC wall panel, and a construction method thereof. One aspect of the present invention relates to a PC wall panel installed for seismic reinforcement in an open space of a reinforced concrete frame composed of a reinforced concrete column and a beam. The PC wall panel of the present invention includes a horizontal portion in close contact with the bottom surface of the open space of the reinforced concrete frame; a vertical portion in close contact with a side surface of the open space of the reinforced concrete frame; and a right angled portion in close contact with the bottom surface and a side surface of the open space of the reinforced concrete frame and connecting the horizontal portion and the vertical portion to form an L-shape as a whole together with the horizontal portion and the vertical portion. A plurality of vertical coupling holes for anchor member insertion are formed in a vertically penetrating manner in the horizontal portion. A plurality of horizontal coupling holes for anchor member insertion are formed in a horizontally penetrating manner in the vertical portion. Inside the horizontal portion, the vertical portion, and the right angled portion, a cast iron rope is embedded that is continuously bent in a shape corresponding to the shape of the outer peripheral surface of the horizontal portion, the vertical portion, and the right angled portion.
Patent KR-20170125732-A (KR)
Inventor: SINGHAL AKHIL
IPC: H01L21/02
Filed: 2017-05-02
Abstract: The present invention provides methods of depositing conformal, dense silicon-containing films having a low hydrogen content. The methods include a step of pulsing a plasma while exposing a substrate to a silicon-containing precursor and a reactant to facilitate mainly radical-based pulsed plasma enhanced chemical vapor deposition (PECVD) to deposit a conformal silicon-containing film. The methods also include a step of periodically performing a post-treatment operation where, for every about 20 to about 50 of a film deposited using pulsed PECVD, the deposited film is exposed to an inert plasma to densify the deposited film and reduce a hydrogen content in the deposited film.
Patent KR-20180124212-A (KR)
Title: Separable bio signal measuring apparatus
Inventor: CHO HAK YUNG
IPC: H04M1/725
Filed: 2017-05-10
Abstract: Provided is a separable bio-signal measurement apparatus capable of measuring a heart rate or a temperature of a user regularly or at a desired time according to selection of the user. The separable bio-signal measurement apparatus comprises: a textile electrode attached to a clothes body to detect a bio-signal generated from a body of a user; an embedded device, which operates according to driving power from a mobile communication terminal when contacting with the mobile communication terminal having an embedded interlocking application, acquires a current heart rate of the body of the user based on the bio-signal from the textile electrode to transmit current heart rate data to the mobile communication terminal in real time; a control part including an external device detachably and electrically connected to the embedded device, wherein the external device continuously receives and stores the heart rate data to generate a control signal when electrically connected to the embedded device; a Bluetooth communication part transmitting the stored heart rate data via Bluetooth communication according to the control signal from the control part; and a battery supplying or blocking power to the embedded device and the Bluetooth communication part according to the control signal from the control part.
Patent KR-20180131163-A (KR)
Inventor: BAE HYE RIM
IPC: G05B19/418
Filed: 2017-05-31
Abstract: Disclosed are a hierarchical process analysis method for a multistage process analysis and a hierarchical process analysis system to easily express characteristics of a multistage process. According to one embodiment of the present invention, the hierarchical process analysis method for a multistage process analysis comprises the steps of: assigning a case identifier for each of the plurality of cases forming a process; analyzing the case identifier to determine a stage for each case; grouping at least one case belonging to each stage according to similarity between cases and allocating a cluster for each group; and displaying the case in the stage or the cluster on a terminal for each level.
Patent KR-20180131225-A (KR)
Inventor: LEE JONG IL
IPC: G07C9/00
Filed: 2017-05-31
Abstract: Disclosed are a user authentication method for opening and closing a kiosk for performing a manager registration through user authentication in an unmanned kiosk opening and closing-related server using a smart phone and managing the opening and closing of an unmanned kiosk door lock through the user authentication, a method for opening and closing a kiosk through user authentication, and a system thereof. Accordingly, the present invention can remove inconvenience due to an existing key or password input and avoid an illegal opening and closing risk due to illegal duplication.
Patent KR-20170072845-A (KR)
Title: 평판형 등기구
Inventor: LEE KI BUM
IPC: F21V21/02
Filed: 2017-06-07
Abstract: 본 발명에서는 신축 건물의 천장패널에 형성된 등기구 설치공의 크기가 개보수용 평판형 등기구의 크기에 비하여 작은 경우에 등기구 설치공의 가장자리에 해당되는 천장패널을 잘라내지 않고도 간편하게 끼워 장착할 수 있도록 함으로써 시공상의 편의성을 크게 향상시킬 수 있도록 한 새로운 평판형 등기구가 개시된다. 
본 발명은 사각판체로 이루어지며 면상(面上)에 다수의 관통공이 타공된 몸체부와; 상기 몸체부의 네 가장자리로부터 아랫쪽으로 절곡되어 몸체부와의 사이에 공간부가 형성되도록 하는 측면부와; 상기 측면부의 하단에서 수평방향으로 절곡된 후 그 바깥쪽 끝부분이 다시 수직상방으로 절곡되어 등기구 설치공이 형성된 천장패널의 가장자리 아랫부분에 걸리도록 하는 걸림부를 포함하는 평판형 등기구에 있어서, 상기 각각의 측면부는 바깥쪽으로 경사지게 형성되어 천장패널상에 형성된 등기구 설치공의 크기에 관계 없이 끼워져 결합되도록 구성된 특징을 갖는다.
Patent KR-20180135281-A (KR)
Inventor: HONG SUNG CHUL
IPC: B41J29/13
Filed: 2017-06-12
Abstract: The present invention relates to a security paper identifying device identifying whether a printing sheet is security paper by using an FPCB type inductive sensor. A sensor holder (100) is attached and installed such that one tip can be pivotable in an upper frame (2) partitioning an upper wall of a tray housing partition chamber (1) of a printer in an FPCB type inductive sensor (10) incorporating a detection material (w) containing fine metal particles or a fine metal wire. The FPCB type inductive sensor (10) is attached to the other tip of the sensor holder (100). When a tray (6) is installed at a mounting position in the tray housing partition chamber (1), the FPCB type inductive sensor (10) turns from a non-sensing position (X) to a sensing position (Y). As a result, an inductive current induced to the detection material (W) from a printing sheet (P) transported from the tray (6) is detected and it is detected whether the printing sheet is security paper.